Species Detail - Giant Hogweed (Heracleum mantegazzianum) - Species information displayed is based on the dataset "BSBI tetrad data for Ireland".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).Species image
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Heracleum mantegazzianum
Giant Hogweed
NBNSYS0000003711
RecommendedWell-formed
Invasive Species: EU Invasive Alien Species Regulation No. 1143/2014 || Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland)
heman
Sommier & Levier
Flowering plant
Species
235
71
29
01/01/1600
31/12/2010
2 January (recorded in 2018)
16 December (recorded in 2025)
Botanical Society of Britain and Ireland, BSBI tetrad data for Ireland, National Biodiversity Data Centre, Ireland, Giant Hogweed (Heracleum mantegazzianum), accessed 07 October 2026, https://maps.biodiversityireland.ie/Dataset/9/Species/29131